<div class="col-md-10">
<form action="http://localhost/projects/ys/test/test_codeigniter/index.php/topic/add" method="post" class="">
    <?php echo validation_errors(); ?>
    <input type="text" name="title" placeholder="제목" class="form-control" />
    <textarea name="description" placeholder="본문" class="" rows=""></textarea>
    <br />
    <button class="btn" type="submit">포스팅</button>
</form>
<script src="http://localhost/projects/ys/test/test_codeigniter/assets/lib/ckeditor/ckeditor.js"></script>
<script>
    CKEDITOR.replace( 'description', {
        'filebrowserUploadUrl':'http://localhost/projects/ys/test/test_codeigniter/index.php/topic/upload_receive_from_ck'
    });
</script>
</div>

<!--
, {
        filebrowserUploadUrl: '/topic/upload'
    }